Justice secretary has 21 days to request formal reconsideration of decision in case of double murderer The UK justice secretary is considering intervening over the Parole Board's decision to approve the release of the child killer and rapist Colin Pitchfork. The double murderer was jailed in 1988 after raping and strangling 15-year-olds Lynda Mann and Dawn Ashworth in Leicestershire in 1983 and 1986.